Tie bar



FIG. 1 is a perspective view of a tie bar showing my design;

FIG. 2 is a top plan view thereof, the bottom plan view, frontelevational view, and rear elevational view all being a mirror imagethereof;

FIG. 3 is a right side elevational view, the left side being a mirrorimage thereof.

The ornamental design for a tie bar, substantially as shown anddescribed.